Bitcoin flirts with $16,000, alarm bells ring louder

LONDON/NEW YORK (Reuters) - Bitcoin rocketed to a lifetime high just shy of $16,000 on Thursday after climbing some 60 percent over one week, intensifying the debate about whether the cryptocurrency is in a bubble about to burst.

LONDON/NEW YORK (Reuters) - Bitcoin rocketed to a lifetime high just shy of $16,000 on Thursday after climbing some 60 percent over one week, intensifying the debate about whether the cryptocurrency is in a bubble about to burst.